There will be (there already is) infighting to position themselves as the inheritor to His Most Glorious Highness, but once an adequate 'successor' is chosen, don't underestimate their ability to fall in. Diehard Cruz fans over the course of about a month flipped from hating Don to seeing him as the savior of the west, because it was decided that he was going to be the nominee.
All you need to do is promise you're going to turn the clock back to a halcyon time (nevermind the how and nevermind whether you do and nevermind whether you try) and you'll have their unquestioning devotion.